2018 Mazda CX-5 4WD (2.2L 4-cyl) MPG & Specs
Quick answer
The 2018 Mazda CX-5 4WD gets an EPA-estimated 27/30 MPG (city/highway) and 28 MPG combined, with an estimated $2,850/year fuel cost and 365 g/mi CO₂. Engine: 2.2 L 4-cyl.
The 2018 Mazda CX-5 4WD with the 2.2-liter 4-cylinder diesel engine returns an EPA-estimated 27 MPG in the city and 30 MPG on the highway, for a combined 28 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 2.2 L 4-cyl |
| Transmission | Automatic (S6) |
| Drive | 4-Wheel Drive |
| Fuel type | Diesel |
| Vehicle class | Small Sport Utility Vehicle 4WD |
| MPG — city | 27 |
| MPG — highway | 30 |
| MPG — combined | 28 |
| Annual fuel cost* | $2,850 |
| CO₂ tailpipe | 365 g/mi |
| EPA GHG score | 5/10 |
How efficient is it?
With a combined 28 MPG, the 2018 Mazda CX-5 4WD sits in the good range for fuel economy. That is about average for its class (Small Sport Utility Vehicle 4WD, 31 MPG average).
Fuel economy and running costs
At about $2,850 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 2018 Mazda CX-5 4WD. Over five years that is roughly $14,250 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 2018 Mazda CX-5 4WD emits approximately 365 grams of CO₂ per mile at the tailpipe, earning an EPA greenhouse-gas score of 5 out of 10. Lower emissions generally track higher fuel economy.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.